Base | Representation |
---|---|
bin | 1001100010011… |
… | …10001000110100 |
3 | 12120120000121001 |
4 | 10301032020310 |
5 | 130440334303 |
6 | 11534533044 |
7 | 1661042431 |
oct | 461161064 |
9 | 176500531 |
10 | 80011828 |
11 | 4118a086 |
12 | 22967184 |
13 | 137658a0 |
14 | a8aab88 |
15 | 705731d |
hex | 4c4e234 |
80011828 has 24 divisors (see below), whose sum is σ = 154473480. Its totient is φ = 36026880.
The previous prime is 80011823. The next prime is 80011849. The reversal of 80011828 is 82811008.
It can be written as a sum of positive squares in 4 ways, for example, as 11751184 + 68260644 = 3428^2 + 8262^2 .
It is a junction number, because it is equal to n+sod(n) for n = 80011796 and 80011805.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80011823) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16633 + ... + 20896.
It is an arithmetic number, because the mean of its divisors is an integer number (6436395).
Almost surely, 280011828 is an apocalyptic number.
It is an amenable number.
80011828 is a deficient number, since it is larger than the sum of its proper divisors (74461652).
80011828 is a wasteful number, since it uses less digits than its factorization.
80011828 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37587 (or 37585 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 28.
The square root of 80011828 is about 8944.9330908621. The cubic root of 80011828 is about 430.9081725045.
The spelling of 80011828 in words is "eighty million, eleven thousand, eight hundred twenty-eight".
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